Our modern electric power grid has been called the biggest and most complex machine in the world - delivering electricity over 200,000 miles of high-tension transmission lines. Travel around the country with host Yul Kwon to understand its intricacies.

Experience the astonishing natural life found in the world's longest mountain range, where pumas hunt guanaco, shape-shifting frogs hide in remote cloud forests and descendants of the Inca build bridges of grass.

Cultural historian and co-author of the seminal, “An Architectural Guidebook to Los Angeles,” Robert Winter has died at the age of 94. His passing has left many in this vast, complicated city saddened.

Jose Andres, Chef and Philanthropist | KCET

Jose Andres, Chef and Philanthropist

Spanish born chef Jose Andres achieved the American dream by creating a restaurant empire that stretches across the country and the globe. Recently though, Jose's efforts have been focused on philanthropy and outreach. When Hurricane Maria hit Puerto Rico, Jose and his team landed and immediately started cooking. In a short amount of time, they had fed a million people. Inspired by the flavors of his youth, Jose takes us back to where it all began for him. We dine at Bodega 1900 in Barcelona to talk about the simple flavors of Spanish tapas that sparked a love and passion for cooking and the roots of great hospitality.

When Jason Mayden grew up on the South Side of Chicago, he dreamed of being like Michael Jordan. Instead, he went on to design shoes for him. His Nike Air Monarch became the highest grossing shoe of all time.

Jessica Alba had already become a successful Hollywood actress when she decided to start her own business. Now her eco-conscious baby products company, The Honest Company is valued at more than a billion dollars.

California's wildfires are more severe and deadlier than ever before. Debates are raging as to what to do, who will pay for billions of dollars in damage and what can be done to lessen the destruction as California adjusts to its new normal.